90787491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12347}}^1$

素因数の和:12415

約数の個数: 24

約数和(自身を含む): 141261120

約数和(自身を除く): 50473629

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 12347, 37041, 111123, 234593, 530921, 703779, 1592763, 2111337, 4778289, 10087499, 30262497, 90787491]

約数ペア:

[(1, 90787491), (3, 30262497), (9, 10087499), (19, 4778289), (43, 2111337), (57, 1592763), (129, 703779), (171, 530921), (387, 234593), (817, 111123), (2451, 37041), (7353, 12347)]